IP Library Assignment 030888/0174
Patent Assignment
Reel/Frame 030888/0174

Change of Name

Recorded: 2013-07-24 Pages: 13
Assignor
UHDE GMBH
Executed: 2011-09-07
Assignee
THYSSENKRUPP UHDE GMBH
FRIEDRICH-UHDE-STRASSE 15, DORTMUND, D-44141, GERMANY
Covered Property (1)
Method for Extracting Pure Styrene From a Pyrolysis Benzine Fraction
Patent: 8,648,227 →
Application: 11/922,517 →
Publication: US 2009/0306445
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 9, 2009
From: GEHRKE, HELMUT
To: UHDE GMBH
Reel/Frame 023352/0794 →